Question

Not only his parents but also his brother _____ from here for two days. They haven’t been back.
A. have left
B. has left
C. has been away

Answer 1

C

试题分析：句意：不仅他的父母，他的弟弟也离开这儿两天了，他们还没回来。“not only…but also…”如果连接并列主语，句中谓语动词要根据“近主原则”确定，所以排除A；时间状语是for two days，表一段时间，所以句中谓语动词要用延续性动作动词，离开（leave）的延续动作动词是be away，故选C。